| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 11.03 | 191306271_OAK_MIN |
| Eddie Plank | OAK | 4.78 | 191306261_OAK_MIN |
| Vean Gregg | CLE | 4.38 | 191306260_CLE_CHA |
| Jim Scott | CHA | 4.11 | 191306280_CLE_CHA |
| Nap Rucker | LAN | 3.43 | 191306261_LAN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Otto Hess | ATL | -3.1 | 191306262_ATL_SFN |
| Sandy Burk | SLN | -2.6 | 191306270_PIT_SLN |
| Tom Hughes | MIN | -1.66 | 191306272_OAK_MIN |
| Boardwalk Brown | OAK | -0.77 | 191306262_OAK_MIN |
| Al Schulz | NYA | -0.73 | 191306282_NYA_BOS |
Based on accumulated WAA for this season up to 1913-06-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.25 | Walter Johnson | 160 | MIN |
| +002+ | 5.23 | Jim Scott | 132.7 | CHA |
| +003+ | 4.66 | Reb Russell | 144.7 | CHA |
| +004+ | 4.4 | Eddie Cicotte | 101.7 | CHA |
| +009+ | 3.67 | Chief Bender | 105.7 | OAK |
| +012+ | 3.45 | Eddie Plank | 125.3 | OAK |
| +013+ | 3.19 | Vean Gregg | 145.7 | CLE |
| +014+ | 2.99 | Nap Rucker | 131 | LAN |
| +017+ | 2.74 | Christy Mathewson | 140.7 | SFN |
| +020+ | 2.43 | Jeff Tesreau | 133 | SFN |
| +027+ | 2.11 | Cy Falkenberg | 130.7 | CLE |
| +028+ | 2.04 | Pete Alexander | 127.3 | PHI |
| +032+ | 1.77 | Dutch Leonard | 97 | BOS |
| +034+ | 1.76 | Babe Adams | 133 | PIT |
| +036+ | 1.68 | Cliff Curtis | 84 | LAN |
| +040+ | 1.59 | George Pierce | 61.7 | CHN |
| +044+ | 1.42 | Charlie Smith | 73.7 | CHN |
| +046+ | 1.38 | Eddie Stack | 65.3 | LAN |
| +045+ | 1.38 | Larry Cheney | 136 | CHN |
| +047+ | 1.34 | Earl Hamilton | 136 | BAL |
| +049+ | 1.32 | Willie Mitchell | 102.3 | CLE |
| XXXXX | 1.12 | Bert Humphries | 61 | CHN |
| XXXXX | 1.09 | Pat Ragan | 128 | LAN |
| XXXXX | 1.03 | Carl Zamloch | 62.3 | DET |
| XXXXX | 0.97 | Russ Ford | 98.7 | NYA |
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